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SilverStone Olympia 750W Power Supply Review

Manufacturer: Silverstone
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Introduction and Features

SilverStone Technology, Inc. continues to expand their PC power supply offerings with the introduction of the Decathlon and <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />Olympia series power supply units.  Both the Decathlon and Olympia series are enthusiast power supplies ranging from 650W up to 1200W (coming soon).  The Decathlon series features all modular cables while the Olympia series offers a more compact enclosure, but with hard-wired cables.  The Olympia OP750 we have in for review features a single +12V rail that can deliver up to 60A (720W).  The Olympia OP750 is housed in a compact enclosure and cooled by a quiet 120mm fan and features both 8-pin and 6-pin PCI-E connectors to support the latest video cards.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />


 



 


SilverStone is based in Taiwan with a sales office in California.  They specialize in designing low acoustic and high performance PC and HTPC enclosures, power supplies and other accessories for the PC enthusiast market. 


 


SilverStone OP750 PSU Key Features:


 



  • 750 watt continuous power output

  • Up to 50ºC ambient temperature rating (internal PC case temperature)

  • Single +12V output (up to 60A/720W)

  • ATX12V v2.2 and EPS12V support

  • Four PCI-E 6-pin and one PCI-E 8-pin connectors

  • Industrial class components

  • Efficiency greater than 80%

  • Active PFC with Universal AC line input

  • 3-Year warranty 

In addition to the power supply the box also includes a power cord, mounting screws, and a detailed Specifications Manual.


 



 


Establishing an accurate load is critical to testing and evaluating a PC power supply.  PCPerspective’s power supply test bench can place a precise 2,000 watt DC load on the PSU under test.  Each power supply is tested under controlled, real-world conditions up to its maximum rated load (at 40ºC), using both 115 VAC and 240 VAC line voltage.  Our current suite of tests includes:


 



  • DC Load Regulation

  • DC Line Regulation

  • DC Cross-load (unbalanced load)

  • AC Ripple and Noise

  • Power Factor

  • Efficiency

  • Differential Temperature

  • Noise

  • Size and Weight



 


The Olympia 750W power supply was evaluated on both features and performance.  A full range of equipment was used to test the power supply under controlled load conditions. 


 



  • (2) CSI3710A Programmable DC load (+3.3V and +5V outputs)

  • (4) CSI3711A Programmable DC load (+12V1, +12V2, +12V3, and +12V4)

  • FLUKE 87-III True RMS digital multimeter (Accuracy ±0.05%)

  • Extech 380803 Power Analyzer (Accuracy ±0.5% of full scale)

  • Hitachi V-650F 60 MHz dual trace oscilloscope (Accuracy ±3%)

  • Powerstat Variable Autotransformer, 1.4 KVA, 0-140 VAC

  • FLUKE  52-II digital thermometer (Accuracy ±0.3ºC/0.5ºF)

  • Extech Model 407738 digital sound level meter (Accuracy ±1.5 dB)

  • AccuLab V1-10kg digital balance (Accuracy ±1g)

  • Custom Lian Li PC60 enclosure to simulate real-world operating conditions


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